package consensus import ( "bytes" "crypto/rand" "path" "sync" "testing" "time" wire "github.com/tendermint/go-wire" "github.com/tendermint/tendermint/consensus/types" tmtypes "github.com/tendermint/tendermint/types" cmn "github.com/tendermint/tmlibs/common" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestWALEncoderDecoder(t *testing.T) { now := time.Now() msgs := []TimedWALMessage{ TimedWALMessage{Time: now, Msg: EndHeightMessage{0}}, TimedWALMessage{Time: now, Msg: timeoutInfo{Duration: time.Second, Height: 1, Round: 1, Step: types.RoundStepPropose}}, } b := new(bytes.Buffer) for _, msg := range msgs { b.Reset() enc := NewWALEncoder(b) err := enc.Encode(&msg) require.NoError(t, err) dec := NewWALDecoder(b) decoded, err := dec.Decode() require.NoError(t, err) assert.Equal(t, msg.Time.Truncate(time.Millisecond), decoded.Time) assert.Equal(t, msg.Msg, decoded.Msg) } } func TestSearchForEndHeight(t *testing.T) { wal, err := NewWAL(path.Join(data_dir, "many_blocks.cswal"), false) if err != nil { t.Fatal(err) } h := 3 gr, found, err := wal.SearchForEndHeight(uint64(h)) assert.NoError(t, err, cmn.Fmt("expected not to err on height %d", h)) assert.True(t, found, cmn.Fmt("expected to find end height for %d", h)) assert.NotNil(t, gr, "expected group not to be nil") defer gr.Close() dec := NewWALDecoder(gr) msg, err := dec.Decode() assert.NoError(t, err, "expected to decode a message") rs, ok := msg.Msg.(tmtypes.EventDataRoundState) assert.True(t, ok, "expected message of type EventDataRoundState") assert.Equal(t, rs.Height, h+1, cmn.Fmt("wrong height")) } var initOnce sync.Once func registerInterfacesOnce() { initOnce.Do(func() { var _ = wire.RegisterInterface( struct{ WALMessage }{}, wire.ConcreteType{[]byte{}, 0x10}, ) }) } func nBytes(n int) []byte { buf := make([]byte, n) n, _ = rand.Read(buf) return buf[:n] } func benchmarkWalDecode(b *testing.B, n int) { registerInterfacesOnce() buf := new(bytes.Buffer) enc := NewWALEncoder(buf) data := nBytes(n) enc.Encode(&TimedWALMessage{Msg: data, Time: time.Now().Round(time.Second)}) encoded := buf.Bytes() b.ResetTimer() for i := 0; i < b.N; i++ { buf.Reset() buf.Write(encoded) dec := NewWALDecoder(buf) if _, err := dec.Decode(); err != nil { b.Fatal(err) } } b.ReportAllocs() } func BenchmarkWalDecode512B(b *testing.B) { benchmarkWalDecode(b, 512) } func BenchmarkWalDecode10KB(b *testing.B) { benchmarkWalDecode(b, 10*1024) } func BenchmarkWalDecode100KB(b *testing.B) { benchmarkWalDecode(b, 100*1024) } func BenchmarkWalDecode1MB(b *testing.B) { benchmarkWalDecode(b, 1024*1024) } func BenchmarkWalDecode10MB(b *testing.B) { benchmarkWalDecode(b, 10*1024*1024) } func BenchmarkWalDecode100MB(b *testing.B) { benchmarkWalDecode(b, 100*1024*1024) } func BenchmarkWalDecode1GB(b *testing.B) { benchmarkWalDecode(b, 1024*1024*1024) }